Volkswagen’s upmarket Audi brand, this week, conceded to US authorities that its 3.0 litre V6 diesel used in the US in Volkswagen Group cars are equipped with software that contravenes ruling Environmental Protection Agency
Audi acknowledges that one piece of software in particular - employed by way of an Auxiliary Emission Control Devices (AECD) – could be regarded by the EPA as a defeat device.
Specifically, that’s the software for the temperature conditioning of the exhaust-gas cleaning system, Audi said. In consequence, from 2009 model year onwards, all 3-litre Volkswagen Group diesels sold in the US will now be subjected to obligatory software modifications.
Awaiting resubmission and successful approval by US authorities, followed by the obligatory vehicle upgrade with approved engine software, these 3-litre diesel vehicles will no longer be sold in the US.
For Audi’s US line-up that’s foremost V6 diesel-powered versions of its A6, A7, A8 and Q5.
To which should be added the same engine Volkswagen Touareg and Porsche’s same engine Cayenne from 2013 model year onwards.
It is currently understood that some 85,000 vehicles are affected.
The anticipated total cost of the US recall linked to the 3.0 litre V6 diesel is presently put at the mid-double-digit millions of euros, Audi said.
Volkswagen Group said earlier “…that no software has been installed in the 3-liter V6 diesel power units to alter emissions characteristics in a forbidden
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